google_cse.theme.inc in Google Custom Search Engine 8.3

Themeable functions for Google Custom Search Engine.

File

google_cse.theme.inc

<?php

/**
 * @file
 * Themeable functions for Google Custom Search Engine.
 */
use Drupal\Core\Link;
use Drupal\Core\Url;

/**
 * Selects tags according to chosen search engine layout.
 *
 * @return string
 *   Tags
 */
function google_cse_get_cse_tag() {
  $display = \Drupal::config('search.page.google_cse_search')
    ->get('configuration')['custom_results_display'];
  switch ($display) {
    case 'overlay':
    case 'compact':
    case 'full-width':
      return '<gcse:search gname="google_cse"></gcse:search>';
    case 'two-page':
      return '<gcse:searchbox-only gname="google_cse"></gcse:searchbox-only><gcse:searchresults-only gname="google_cse"></gcse:searchresults-only>';
    case 'two-column':
      return '<gcse:searchbox gname="google_cse"></gcse:searchbox><gcse:searchresults gname="google_cse"></gcse:searchresults>';
    case 'results-only':
      return '<gcse:searchresults-only gname="google_cse"></gcse:searchresults-only>';
    case 'google-hosted':
      return '<gcse:searchbox-only gname="google_cse"></gcse:searchbox-only>';
    default:
      \Drupal::logger('google_cse')
        ->critical('Invalid custom result display %display', [
        '%display' => $display,
      ]);
  }
}

/**
 * The search results page can be themed/customized.
 */
function template_preprocess_google_cse_results(&$variables) {
  $config = \Drupal::config('search.page.google_cse_search');
  $variables['results_searchbox_form'] = $variables['form'] ? \Drupal::formBuilder()
    ->getForm('Drupal\\google_cse\\Form\\GoogleCSESearchBoxForm') : '';
  $variables['cse_tag'] = google_cse_get_cse_tag();
  $configured_domain = $config
    ->get('configuration')['domain'];
  $domain = !empty($configured_domain) ? $configured_domain : $_SERVER['HTTP_HOST'];
  $protocol = \Drupal::service('google_cse.services')
    ->getProtocol();
  $url = Url::fromUri($protocol . $domain . '/cse', [
    'query' => [
      'keys' => \Drupal::request()->query
        ->get('keys'),
    ],
  ]);
  $variables['noscript'] = t('@google, or enable JavaScript to view them here.', [
    '@google' => Link::fromTextAndUrl('View the results at Google', $url)
      ->toString(),
  ]);
  $variables['prefix'] = [
    '#markup' => $config
      ->get('configuration')['results_prefix'],
  ];
  $variables['suffix'] = [
    '#markup' => $config
      ->get('configuration')['results_suffix'],
  ];
  if (google_cse_validate_request()) {
    $variables['#attached']['library'][] = 'google_cse/googlecseResults';

    // Adds a custom library by google_cse_library_info_build()
    if (!empty($config
      ->get('configuration')['custom_css'])) {
      $variables['#attached']['library'][] = 'google_cse/googlecseCustomcss';
    }
  }
}

/**
 * Validate GET parameters to avoid displaying inappropriate search results.
 */
function google_cse_validate_request() {
  $request = \Drupal::request();
  $config = \Drupal::config('search.page.google_cse_search');
  return (empty($request->query
    ->get('cx')) || $request->query
    ->get('cx') == $config
    ->get('configuration')['cx']) && (empty($request->query
    ->get('safe')) || $request->query
    ->get('safe') == $config
    ->get('configuration')['safe']) && (empty($request->query
    ->get('sitesearch')) || ($options = \Drupal::service('google_cse.services')
    ->sitesearchOptions()) && isset($options[$request->query
    ->get('sitesearch')]));
}

Functions

Name	Description
google_cse_get_cse_tag	Selects tags according to chosen search engine layout.
google_cse_validate_request	Validate GET parameters to avoid displaying inappropriate search results.
template_preprocess_google_cse_results	The search results page can be themed/customized.